You can find a steelix in several places in Pokemon white 2.
-Twist Mountain: Found in Shaking Grass/Dust Cloud 5% chance of finding one
-Clay Tunnel: Found in Shaking Grass/Dust Cloud 5% chance of finding one
-Underground Ruins: Found in Shaking Grass/Dust Cloud 5% chance of finding one
-Rock Peak Chamber: Found in Shaking Grass/Dust Cloud 5% chance of finding one
-Iceburg Chamber: Found in Shaking Grass/Dust Cloud 5% chance of finding one
-Iron Chamber: Found in Shaking Grass/Dust Cloud 5% chance of finding one
You can only find a Magma Stone in Pokemon Black 2, White 2, Pokemon Diamond, Pearl, and Platinum. It is not available in Pokemon Black and White.
You cannot find it in white 2
There is no best route in Pokemon White 2 to find shiny Pokemon, because you have the same chance to find a shiny Pokemon on every route in the game.
No
Tornadus cannot be found in Pokemon White 2.
In Pokemon White you'd have to trade with someone who got it in Black/White 2
A trade is required from white or white 2 where it can be caught
in pokemon black and white
Why won't you answer my question
nope
you can get kyurem
Baltoy is unavailable in Pokemon Black & White. To obtain Baltoy, you would have to find one in the Dream World or trade with someone who has it on Black & White 2